Snowflake or Christmas ornament made out of noodles & spray paint (how to make christmas tree ornaments Christmas crafts for kids pasta -- spray painted gold, silver, or white or glittered would be pretty too).
Simple and effective. Paper plates are a must! Sparkly Paper Plate Angel - for Sunday School I'd let the kids paint glue around edge and then sprinkle clear glitter or silver. Add a ribbon to hang. Write Bible verse on plate?